Seminars and Talks 10:00 - 12:00, December 20, 2019 (Friday) Seminar Room 2, Guo Fu Building, NCCU Specification and Towers in Shift Spaces (II) 14:20 - 15:10, December 20, 2019 (Friday) R440, Astronomy-Mathematics Building, NTU Tensor Programs: A Swiss-Army Knife for the Theory of Deep Learning and Beyond Conferences, Workshops and Special Events December 20 - 22, 2019 Workshop for Numerical Algebra and Data Science